Near-frictionless scroll wheel Selectable mouse cursor speed Fast and accurate positioning when you are using it Easy to install, plug and play System supported:windows 2000/XP/Vista/ Windows 7/ Windows 8/Windows 10/linux/mac Silent USB Wired Optical Gaming Mouse Ergonomic Mice Colorful LED Backlit for LOL Features: Mouse can be three sections of length adjustment, suitable for hand-type grip; Removable comfortable palm rest; Removable counterweight design; Colorful breathing light design, through the macro programming software can turn off the lantern. 8 keys can be macro programming, free to set the desired function. Specification: H900 Mechanical Macros Define the game mouse 100% new mouse game High-end brand mechanical macro definition gaming mouse Human body engineering design 8 programmable keys Cool LED variable light effect 12-level adjustable DPI, Max.4000 DPI Voltage rating / electric current: DC 5V / 100mA USB plug and play Switch life：20million cycle Cable length: 150cm Item Weight:162g Item Size：133*92*40MM(L * W * H) Package Weight : 233g Package Size:159*121*47MM Support Windows 2000 / XP / win7 / win8 /win10 Vista Package Includes： 1 x gaming mouse 1 x User manual 1 x CD(Macro definition software) Brand Not Specified SKU 100586759_NP-1021000284 Model LLY71123104